Home / 4,542.24-6,814.59-1,620.78

Finding the Fourth Proportional to 4,542.24, 6,814.59 and 1,620.78

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Solution

The fourth proportional to 4,542.24, 6,814.59 and 1,620.78 is: 2,431.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,542.24 : 6,814.59 = 1,620.78 : x
  2. Step 2: Convert to fraction form
    4,542.24/6,814.59 = 1,620.78/x
  3. Step 3: Cross multiply
    4,542.24x = 6,814.59 × 1,620.78
  4. Step 4: Simplify right side
    4,542.24x = 11,044,951.18
  5. Step 5: Solve for x
    x = 11,044,951.18/4,542.24
  6. Step 6: Final answer
    x = 2,431.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.